سير العمل البرمجي · خطوات خلوية على حلقة

def cellular_step(bits, rule):
    bits = tuple(bits)
    if not 1 <= len(bits) <= 256 or any(type(v) is not int or v not in (0, 1) for v in bits):
        raise ValueError("cells.binary")
    if type(rule) is not int or not 0 <= rule <= 255:
        raise ValueError("rule.byte")
    n = len(bits)
    return [(rule >> (4 * bits[(i - 1) % n] + 2 * bits[i] + bits[(i + 1) % n])) & 1 for i in range(n)]